GPLC5V060MTRT001
更新时间:2024-09-18 05:49:50
品牌:GALAXY
描述:LEO Series Industry’s Highest Current DC/DC Converter. 48V or 24V Input, 250W, 120A Output, 3.3V 90A, 2.5V 100A, 1.8V 120A, 1.5V 120A, 1.2V 120A stan
GPLC5V060MTRT001 概述
LEO Series Industry’s Highest Current DC/DC Converter. 48V or 24V Input, 250W, 120A Output, 3.3V 90A, 2.5V 100A, 1.8V 120A, 1.5V 120A, 1.2V 120A stan LEO系列业界最大电流的DC / DC转换器。 48V或24V输入, 250W , 120A输出, 3.3V 90A , 100A 2.5V ,1.8V 120A , 120A 1.5V , 1.2V 120A斯坦
GPLC5V060MTRT001 数据手册
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PDF下载LEO Series
Industry’s Highest Current DC/DC Converter.
48V or 24V Input, 250W, 120A Output,
3.3V 90A, 2.5V 100A, 1.8V 120A, 1.5V 120A, 1.2V 120A
standard with extra wide trim range
The Leo is a 3/4 brick CoolConverter™
in the Galaxy family of high-efficiency
DC/DC converters.
Typical Efficiency:
91% at 1.8V, 60A; 88% at 1.8V, 120A
Highest Ripple Frequency, 600kHz,
for Low EMI
Industry Compatible Footprint
Democratic Secondary-side Current Sharing
Ultra High Initial Setpoint Accuracy, ±0.2%
Wide Trim Range, +10 to -70%
Single Pole Transient Response (No Ringing)
Rapid Turn-on from Valid Input Voltage
Two Year Warranty
The open frame 3/4 brick Leo
is also available with an optional heatsink.
Control Functions
Protection Features
Uses Patented Power Supply Control
and Architecture
Over Temperature Protection
Over Voltage Protection
Primary/Secondary Microprocessor
Controlled
Three Enable Signals Standard for
Maximum Flexibility
Differential Remote Sense
Active High Power-Good Signal
Under Voltage Lockout
Delayed Lockout for Over Input Voltage
Continuous Constant Current Limit
Typical Characteristics
Output Setpoint Accuracy: ±0.2%
Load Regulation: ±0.25%
Line Regulation: ±0.25%
Regulation over Line, Load, and
Temperature: ±1%
Leo Series, Page 1
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
General Specifications
V
= 48V , T @25 °C, 300 LFM airflow, V
= rated output voltage , I
= Full Load unless otherwise noted.
OUT
IN
DC
A
OUT
Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.)
Input Characteristics
48V Series
24V Series
Parameter
Min
Max
75.5
8.6
6.6
3
Min
Max
Units
Operating Input Voltage
Input Current (Model Dependent)
Input Capacitance
Input Hysteresis, Low Line
Reflected Input Ripple
through 10µH with 47µF on input
Control Signal Low Input Voltage
Control Signal High Input Voltage
Maximum Input Voltage, non-operating
No Load Input Current
35.5
17.5
36.5
17
20
3
V
DC
A
µF
V
DC
1
1
4
1.5
20
mARMS
1
1
1
V
V
V
DC
DC
DC
4
100
70
100
100
mA
Output Characteristics
Output Voltage, half-load, 48Vin, 25°C
Regulation Over Line, Load & Temperature
99.8
99
100.2
101
50
99.8
99
100.2
101
50
%V
%V
mV
P-P
NOM
NOM
Voltage Ripple
5V
5V
12
35
9
60
12
35
9
45
mVRMS
mV
mVRMS
≤ 3.3V
≤ 3.3V
5V
3.3V
2.5V
≤1.8V
P-P
Current Range
0
0
0
0
0
0
A
A
A
A
DC
DC
90
85
100
120
125
+10
135
140
100
120
125
+10
135
140
DC
0
0
DC
Short Circuit
Trim Range
105
-70
125
135
105
-70
125
135
%I
MAX
%V
NOM
Overvoltage Protection, Tracking, Latching
Overvoltage Protection, Redundant, Latching
Isolation
%V
SET
%V
NOM
Isolation Test Voltage, Input/Output (Basic)
Isolation Resistance
2250
10
2250
10
V
MΩ
DC
Features
2
Over-temperature Protection, Thermal Sensor
120
2200
0
95
95
125
120
2200
0
95
95
125
°C
pF
V
DC
%
Input-output Capacitance
Isense Signal, no load to current limit
Ishare Accuracy (See application notes)
Power Good Range
2.5
105
105
5.25
2.5
105
105
5.25
%V
SET
DC
Power Good High Level
4.75
4.75
V
Notes: 1. Internal pull up on both Control_L Primary and Secondary and Control_H pins are provided which source <0.2mA. For the module
to operate Control_L needs to be low with respect to Vin(-) and Control_H needs to be high, or open-circuited.
2. PCB less than 130°C.
Approvals and Standards
General Specifications
Operating Temperature
Storage Temperature
Relative Humidity
Vibration
Material Flammability
Weight (open frame)
-40°C to +100°C
–55°C to +125°C
10% to 95% RH,Non-condensing
2 to 9Hz, 3mm disp., 9 to 200Hz1g
UL V-0
UL and c-UL Recognized Component,
TUV pending, UL60950, CSA 22.2 No. 950,
IEC/EN60950**
** An external fuse shall be used to comply with the requirements.
55 grams
MTBF
Telcordia (Bellcore)
1,600,000 hours
Leo Series, Page 2
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
Application Notes
CoolConverter™ Family
™
Galaxy’s COOLCONVERTER Family features:
• Patented single-stage power conversion architecture, control,
and magnetic design allow unprecedented power density and
efficiency in an isolated power supply.
• An advanced microcontroller reduces parts count while
adding features, performance, and flexibility in the design.
• Low common-mode noise as a result of lower capacitance in
the transformer compared to planar magnetics and metal
baseplate designs.
• Higher reliability than planar transformer designs that can
suffer from via fatigue from thermal cycling, and metal
baseplate designs with board to board interconnects that are
subject to mechanical stress on electrical connections.
Protection and Control
Valid Input Voltage Range:
The converter measures the input voltage and will
not allow operation outside of the input voltage
specification. As shown by the graphs, hysteresis is
added to both the high and low voltage to prevent
the converter from turning on and off repeatedly
when the voltage is held near either voltage
extreme. At low line this assures the maximum
input current is not exceeded; at high line this
assures the semiconductor devices in the converter
are not damaged by excessive voltage stress. Shut
down for over-input voltages is inhibited for 100 ms
transients to prevent false shut down due to
transient input voltage conditions.
ON/OFF Logic:
The Leo family of converters comes standard
with both positive and negative logic input-side
shutdown pins and positive logic secondary-side
shutdown. All enable pins have internal pull-ups of
approximately 0.2mA. The secondary-side enable
allows for system sequencing without the need for
an opto-isolator. For the converter to operate all
negative logic enable inputs must be less than one
volt and the positive logic enable must be greater
than 4V or open-circuited.
Leo Series, Page 3
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
APPLICATION NOTES
would be connected from the trim pin to the
Negative Sense Pin.
Output Over Voltage Protection:
The output voltage is monitored in two ways, by
the microcontroller which looks at the sensed signal
and a high-speed comparator that measures the
power pins. The microcontroller OVP allows the
OVP circuit to track the trimmed signal. However,
this circuit does not allow OVP signal detection in
the event the voltage sense pins are shorted
together. In that case, a redundant OVP set at a
fixed threshold will prevent excessive voltage.
Power Good Signal
The Leo generates a power good signal when the
output voltage falls in a 5% window of the nominal
value. The circuit tracks the trimmed voltage. The
circuit has a response time of approximately 1ms.
The output signal is derived from an internal 5V
power bus and can source up to 5mA. If interfacing
to other logic is required, the output can drive a
resistor divider to set a new high level. The voltage
is referenced to the VO(-) pin.
Thermal shutdown:
The printed circuit board temperature is measured
using a semiconductor sensor. If the maximum
rated temperature is exceeded, the converter is
shutdown until the temperature decreases to 90
degC. The time for this depends on the airflow and
heatsink mass.
Transient Response and Stability
The Leo uses a high-bandwidth control to keep
the output voltage in regulation. The crossover
frequency of the Leo is approximately 15kHz
(depending on the model) with greater than 60
degrees of phase margin. The control circuit
maintains high phase margin at lower frequencies
allowing the use of large amounts of external
capacitance to be applies without loss of stability.
If you require a high di/dt solution, Galaxy can
adjust the gain of the control to take advantage of
the on-board capacitance and improve the transient
performance up to 5X the nominal value.
If several Leos are used in parallel with current
sharing, the transient response is improved by the
number of Leos. For example, with two Leos a
60A step will give the same response as a single
Leo with a 30A step, or about 1/2 the peak
over/undershoot.
Please consult Galaxy Power for your special
needs.
Remote Sense:
The output voltage is regulated at the point where
the sense pins connect to the power output pins.
Total sense compensation should not exceed 0.4V
or 10% of Vout, whichever is greater.
If the unit is trimmed up, the application requires
that, under all conditions including current
transients, the output voltage must be kept less than
the redundant OVP, otherwise the unit will
shutdown.
Safety:
An external input fuse must always be used to
meet these safety requirements.
Trim:
External Output Trimming
The Leo converter has a novel regulation circuit
that uses a differential measurement technique to
eliminate voltage sense current. To trim the unit up,
a resistor is connected from the trim pin to the
Negative Sense pin. To trim the unit down, a
resistor is connected from the trim pin to the
Positive Sense pin. All models follow these trim
equations:
+ Sense
Trim
– Sense
RTRIM DOWN = 2250/D – 30kΩ
RTRIM UP = 750/DkΩ
where D is the percentage of trim (i.e. 10 = 10%).
For example, to trim up 10%, a 75kΩ resistor
Leo Series, Page 4
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
Leo Series OPERATION
Efficiency
GPLW3V3090
GPLW3V3090
94
92
90
88
86
84
82
80
35
30
25
20
15
36V Vin
48V Vin
60V Vin
36V Vin
48V Vin
60V Vin
10
5
0
40
0
20
60
80
20
40
60
80
Load Current (A)
Efficiency
GPLW2V5100
GPLW2V5100
94
92
90
88
86
84
82
80
35
30
25
20
15
10
5
36V Vin
48V Vin
60V Vin
36V Vin
48V Vin
60V Vin
0
20
40
60
100
0
80
20
60
100
40
80
Load Current (A)
Efficiency
GPLW1V5120
GPLW1V5120
94
45
40
35
30
25
20
15
10
5
36V Vin
48V Vin
60V Vin
92
90
88
86
84
82
80
36V Vin
48V Vin
60V Vin
0
0
20
40
60
80
100
120
20
40
60
80
100
120
Load Current (A)
Leo Series, Page 5
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
Leo Series OPERATION
Transient Response
Voltage Ripple
1.81mV
7.81mV
Ch1 75.0mV
1
Start-up Waveform
T
2
B
B
W Ch2 2.00 V
W
M
4.00ms A Ch1
300mV
Ch1 500mV
Leo Series, Page 6
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
Package Detail
3.450
3.050
Pin No.
Function
Pin Dia. (in.)
1
Case
0.040 dia
2
3
4
5
6-8
9
10
11
12
13
14
15-17
-Vin
ENA_H
+Vin
ENA_L
+Vo
+SEN
TRIM
-SEN
P_GOOD
ENA_H_S
I_SHARE
– Vo
0.040 dia
0.040 dia
0.040 dia
0.040 dia
0.080 dia
0.025 sq
0.025 sq
0.025 sq
0.025 sq
0.025 sq
0.025 sq
0.080 dia
2.000
2.000
1.700
1 CASE
-V
1.700
1.500
1.300
-Vo 15-17
2
1.300
1.000
0.700
1.100
1.000
0.900
3 ENA_H
4 +V
2.40
0.700
0.500
0.300
5 ENA_L
0.300
0
+Vo 6-8
0
BOTTOM VIEW
0.200
Notes:
0.200
1. Mechanical tolerances
x.xxx in. = ±0.005 in.
x.xx in. = ±0.01 in.
2. Pin material: brass with tin/lead plating over nickel
3. Workmanship: Meets or exceeds IPC-A-610B Class II
.50 Max
Pin Length
SIDE VIEW
Leo Series, Page 7
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902
ORDERING INFORMATION
Standard Model
Number *
Output
Voltage
Max
Typical Efficiency
Half Load Full Load
Standard Model
Number*
Output
Voltage
Max
Typical Efficiency
Half Load Full Load
Current
Current
48V Input Models (Designated W)
24V Input Models (Designated C)
GPLW5V060
GPLW3V390
GPLW2V5100
GPLW1V8120
GPLW1V5120
GPLW1V2120
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
60A
90A
100A
120A
120A
120A
TBD
GPLC5V050
GPLC3V390
GPLC2V5100
GPLC1V8120
GPLC1V8120
GPLC1V2120
* Options:
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
50A
90A
100A
120A
120A
120A
TBD
TBD
TBD
TBD
TBD
TBD
93% 91%
92% 90%
90% 87%
89% 84%
TBD
M = 0.145" Pins (±0.01")
S = 0.12" Pins (±0.01")
T = Tuned model**
Heatsink Part Numbers
Part
Typical Thermal Performance
Number
Height
Natural Convection
Forced Convection
Thermal Resistance**
Power Dissipation*
Heatsinks optional, consult factory.
001
002
003
004
0.25"
0.50"
1.00"
0.13"
5W
5.8°C/W
3.2°C/W
2.0°C/W
TBD
7W
11W
TBD
**T (Tuned Model) Option
*@ 60°C rise heatsink to ambient
** @ 300'/min.
Designed for higher di/dt and ∆I applications,
the transient response has been modified to take
advantage of the capacitance on the customer's
PCB. This unit requires a minimum load
capacitance of 5600µF with an impedance
magnitude of less than 0.005Ω at 15kHz. It
offers a minimum 3X improvement in the peak
response compared to a standard unit.
Ordering Information
Example Part No.:
GPLW5V060
48V Input
5.0V@60A Output
Negative Logic
0.20" Pin Length
Open Frame
Options Code:
(All options shown)
GPLW 1V8120 S T 00X
Part Number
(from chart above)
Options:
Optional Pin Length
M = 0.145"
S = 0.12"
Tuned Model
Heatsink
Galaxy Power Inc. warrants to the original purchaser that the products conform to this data sheet and are free from
material and workmanship defects for a period of two (2) years from the date of manufacture, if this product is used
within specified conditions. Galaxy Power Inc. reserves the right to make changes to the product(s) or information
contained herein without notice. No liability is assumed as a result of their use or application. No rights under any
patent accompany the sale of any such products or information. For additional details on this limited warranty
consult the factory.
155 Flanders Road Westborough, MA 01581
508-870-9775 Fax: 508-870-9796
e–mail: galaxy@galaxypwr.com
website: http://www.galaxypwr.com
© Copyright 2002 Galaxy Power. Specifications subject to change without notice.
Leo Series, Page 8
Part No. 99–001 Rev. 4.0–120902
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